.banner {
    width: 1200px;
    height: 300px;
    background: url(../img/banner-product.jpg) no-repeat center;
    margin: 0 auto;
}

.show {
    width: 100%;
    height: 3435px;
    overflow: hidden;
}

.show .title {
    overflow: hidden;
    height: 20px;
    font-size: 14px;
    margin-top: 141px;
}

.show .title.mr0 {
    margin-top: 49px;
}

.show .title .left {
    float: left;
    width: 200px;
    height: 14px;
    line-height: 14px;
    color: #767676;
    overflow: hidden;
}

.show .title .left .img {
    width: 28px;
    height: 14px;
    background: url(../img/形状\ 1.png) no-repeat center;
}

.show .title .left p,
.img {
    float: left;
}

.show .title .left .bottom {
    color: #668aca;
}

.show .title .right {
    float: right;
    width: 467.5px;
    height: 22px;
    text-align: center;
}

.show .title .right span {
    display: none;
    width: 12px;
    height: 1px;
    background-color: #668aca;
    margin: 0 auto;
    margin-top: 3px;
}

.show .title .right .nav-item:hover span {
    display: block;
}

.show .title .right .rig-nav {
    overflow: hidden;
    height: 100%;
    width: 467.5px;
}

.show .title .right .rig-nav .nav-item {
    float: left;
    width: 41px;
    height: 22px;
    line-height: 16px;
    margin-right: 34px;
}

.show .title .right .nav-item.mr0 {
    width: 1px;
    height: 8px;
    background-color: #b5b5b5;
    margin-top: 5px;
}

.show .title .right .nav-item.mr1 {
    margin-right: 0;
}

.show .title .right .rig-nav .nav-item:hover p {
    font-size: 16px;
    line-height: 16px;
    color: #668aca;
}

.show .picture .pic-nav {
    margin-top: 65px;
    overflow: hidden;
}

.show .picture .pic-nav .nav-item {
    float: left;
    width: 360px;
    height: 361px;
    margin-right: 60px;
}

.show .picture .pic-nav .nav-item img {
    width: 308px;
    height: 308px;
}

.show .picture .pic-nav.mr0 .nav-item {
    float: left;
    width: 360px;
    height: 361px;
    margin-right: 60px;
    margin-top: 40px;
}

.show .picture .pic-nav .nav-item img {
    display: block;
}

.show .picture .pic-nav .nav-item .text {
    width: fit-content;
    height: 36px;
    margin-top: 0px;
    margin-left: 129px;
    color: #767676;
}

.show .picture .pic-nav .nav-item .text .top {
    font-size: 14px;
    line-height: 14px;
    margin-bottom: 10px;
}

.show .picture .pic-nav .nav-item .text .bottom {
    font-size: 12px;
    line-height: 12px;
}

.show .picture .pic-nav .nav-item.mr0 {
    margin-right: 0;
}